(0 20 18 15 12)(1 21 5)(2 13 3)(4 9 6)(7 11 8 14 10)(16 19 17)
ALLOWS (11/8)-SEQUENCE
1: (0 9 12)

(0)(1 21 5)(2 13 3)(4 9 20 18 15 12 6)(7 11 8 14 10)(16 19 17)
2: (7 14 10)

(0)(1 21 5)(2 13 3)(4 9 20 18 15 12 6)(7)(8 14 11)(10)(16 19 17)
3: (6 20 12)

(0)(1 21 5)(2 13 3)(4 9 20)(6)(7)(8 14 11)(10)(12 18 15)(16 19 17)
4: (8 14 11)

(0)(1 21 5)(2 13 3)(4 9 20)(6)(7)(8)(10)(11)(12 18 15)(14)(16 19 17)